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Houston, TX Local Forecast Office

18NM NW Galveston TX

Marine Point Forecast

[NOTICE]

Tonight
Low: 81 °F
SSE 10kt
< 1ft
Monday
High: 92 °F
Light Wind
< 1ft
Monday Night
Low: 81 °F
SSE 10kt
< 1ft
Tuesday
High: 88 °F
SE 10kt
< 1ft
Tuesday Night
Low: 81 °F
ESE 10kt
< 1ft
Wednesday
High: 90 °F
SSE 10kt
< 1ft
Wednesday Night
Low: 82 °F
Light Wind
< 1ft
Thursday
High: 90 °F
⇑SE 10kt
< 1ft
Thursday Night
Low: 81 °F
Light Wind
1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 1:21 pm CDT Aug 30, 2026
Forecast Valid: 5pm CDT Aug 30, 2026-6pm CDT Sep 6, 2026

View Nearby Observations

Detailed Forecast

Tonight

SSE wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.

Monday

Variable winds 5 kt or less. A slight chance of showers and thunderstorms after 2pm. Seas 1 ft or less.

Monday Night

SSE wind 5 to 10 kt becoming WNW after midnight. A chance of showers and thunderstorms, mainly after 4am. Seas 1 ft or less.

Tuesday

NW wind 5 to 10 kt becoming SE in the afternoon. Showers and possibly a thunderstorm. Seas 1 ft or less.

Tuesday Night

ESE wind 5 to 10 kt becoming SSW after midnight. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Seas 1 ft or less.

Wednesday

SW wind 5 to 10 kt becoming SSE in the afternoon. Showers likely and possibly a thunderstorm. Seas 1 ft or less.

Wednesday Night

Variable winds 5 kt or less. A chance of showers and thunderstorms, mainly after 1am. Seas 1 ft or less.

Thursday

Variable winds less than 5 kt becoming SE 5 to 10 kt in the afternoon. A chance of showers and thunderstorms. Seas 1 ft or less.

Thursday Night

Variable winds 5 kt or less. Partly cloudy. Seas around 1 ft.

Winds and waves higher in and near thunderstorms.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.